Water pipelines - Valve boxes for underground hydrants
Edition 2020-07

Water pipelines - Valve boxes for stop valves
Edition 2020-07

Water pipelines - Valve boxes for tapping valves
Edition 2022-09

Water - Indicating labels - Distribution pipes and pipelines
Edition 2022-10

Subsoil - Water effects on building components in contact with the ground and drainage for the protection of these building components - Part 1: Definitions and water effects
Edition 2024-04

Small sewage treatment plants - Part 1: Plants for waste water pretreatment
Edition 2010-10

Small sewage treatment plants - Part 5: Infiltration of aerobic biologically treated domestic wastewater
Edition 2012-10

Geometrical values of drains and sewers for hydraulic design for water and waste water engineering
Edition 2011-06

Central heat-water-installations; terms and calculation-basis
Edition 1994-04

Central heat-water-installations; rules for the determination of the water-heat-demand in dwelling-houses
Edition 1994-04